1 files changed, 48 insertions, 0 deletions
diff --git a/tools/util.c b/tools/util.c
new file mode 100644
index 0000000..029719e
--- /dev/null
+++ b/tools/util.c
@@ -0,0 +1,48 @@
+/*
+    util.c - helper functions
+    Copyright (C) 2006 Jean Delvare <khali@linux-fr.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+*/
+
+#include <stdio.h>
+#include "util.h"
+
+/* Return 1 if we should continue, 0 if we should abort */
+int user_ack(int def)
+{
+	char s[2];
+	int ret;
+
+	if (!fgets(s, 2, stdin))
+		return 0; /* Nack by default */
+
+	switch (s[0]) {
+	case 'y':
+	case 'Y':
+		ret = 1;
+		break;
+	case 'n':
+	case 'N':
+		ret = 0;
+		break;
+	default:
+		ret = def;
+	}
+
+	/* Flush extra characters */
+	while (s[0] != '\n') {
+		int c = fgetc(stdin);
+		if (c == EOF) {
+			ret = 0;
+			break;
+		}
+		s[0] = c;
+	}
+
+	return ret;
+}
+